AMD Radeon HD 6850 vs NVIDIA A40 PCIe

VS

AMD Radeon HD 6850

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 300W)

NVIDIA A40 PCIe 's Advantages

Released 10 years late

Boost Clock1740MHz

More VRAM (48GB vs 1024GB)

Larger VRAM bandwidth (695.8GB/s vs 128.0GB/s)

9792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

A40 PCIe +2414%

37.42 TFLOPS

Radeon HD 6850

VS

A40 PCIe

Graphics Card

Oct 2010

Release Date

Oct 2020

Northern Islands

Generation

Tesla

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1305 MHz

-

Boost Clock

1740 MHz

1000 MHz

Memory Clock

1812 MHz

Memory

1024MB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

384bit

128.0GB/s

Bandwidth

695.8GB/s

Render Config

12

Compute Units

-

SM Count

84

960

Shading Units

10752

48

TMUs

336

32

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

6 MB

-

Theoretical Performance

24.80 GPixel/s

Pixel Rate

194.9 GPixel/s

37.20 GTexel/s

Texture Rate

584.6 GTexel/s

-

FP16 (half)

37.42 TFLOPS

1488 GFLOPS

FP32 (float)

37.42 TFLOPS

-

FP64 (double)

584.6 GFLOPS

Board Design

127W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

3x DisplayPort 1.4a

1x 6-pin

Power Connectors

8-pin EPS

Graphics Processor

Barts

GPU Name

GA102

Barts PRO (215-0798006)

GPU Variant

-

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.7 billion

Transistors

28.3 billion

255 mm²

Die Size

628 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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